/Engine/Source/Runtime/Engine/Public/DynamicMeshBuilder.h
Adds a vertex to the mesh.
int32 AddVertex ( const FVector3f & InPosition, const FVector2f & InTextureCoordinate, const FVector3f & InTangentX, const FVector3f & InTangentY, const FVector3f & InTangentZ, const [FColor](API\Runtime\Core\Math\FColor) & InColor )